[Statistical observations on the incidence of malignant tumors of the head and neck in Ibaragi prefecture (Japan)].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004938:Esophageal Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007564:Japan; D007822:Laryngeal Neoplasms / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000453:epidemiology*